DAY 316

Today’s Challenge

. . . is one from our range of MATHELONA number puzzles now available in pocket book format.  Your task is to make all three lines work out arithmetically by replacing the 12 ◯’s with the following numbers:

0     0     1     1     2     2     2     2     4     5     6     7

Can you successfully complete this?

◯  +  ◯   =    6    =   ◯  –  ◯
◯  +  ◯   =    2    =   ◯  ×  ◯
◯  +  ◯   =    7    =   ◯  ÷  ◯

Full details of our pocket book can be found by clicking MATHELONA.

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 1st & 2nd columns of the playing board contain the following fourteen numbers:

2     10     13     16     21     22     27     33     45     48     55     56     60     70

What is the sum of the multiples of 11 listed above?

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Answers

. . . can be found when clicking this.

7puzzleblog

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